• Tracing the oxygen isotope composition of the upper Earth's atmosphere using cosmic spherules 

      Pack, AndreasORCIDiD; Höweling, Andres; Hezel, Dominik C.ORCIDiD; Stefanak, Maren T.; Beck, Anne-Katrin; Peters, Stefan T. M.; Sengupta, Sukanya; Herwartz, Daniel; Folco, Luigi (Nature communications, 2017-06-01)
      Molten I-type cosmic spherules formed by heating, oxidation and melting of extraterrestrial Fe,Ni metal alloys. The entire oxygen in these spherules sources from the atmosphere. Therefore, I-type cosmic spherules are ...